Allen-Bradley 2094-AC05-MP5 User Manual page 75

Figure 34 - Load Duty-cycle Profile Example
D = T
PK
x 100%
T
Table 48 - Peak Duty Cycle Definition of Terms
Term
Continuous Current Rating (I
Peak Current Rating (I
Duty Cycle (D)
Time at Peak (T
Peak Current (I
Base Current (I
Loading Profile
Application Period (T)
(1) All current values are specified as RMS.
Rockwell Automation Publication 2094-UM001J-EN-P - March 2017
I
PK
T
PK
Definition
) The maximum value of current that can be output continuously.
Cont
The maximum value of peak current that the drive can output. This rating is
)
PKmax
valid only for overload times less than T
The ratio of time at peak to the Application Period and is defined as:
The time at peak current (I
)
PK
or equal to T
The level of peak current for a given loading profile. I
)
PK
equal to the Peak Current Rating (T
The level of current between the pulses of peak current for a given loading
) profile. I
Base
(I of the drive.
Cont)
The loading profile is comprised of I
completely specify the operation of the drive in an overload situation. These
values are collectively defined as the Loading Profile of the drive.
The sum of the times at I
Connector Data and Feature Descriptions
I
Cont
I
Base
T
(1)
.
PKmax
D = T
PK
x 100%
T
) for a given loading profile. Must be less than
PK
.
PKmax
) of the drive.
PKMAX
must be less than or equal to the continuous current rating
Base
, I , T
PK Base PK
(T ) and I .
PK PK Base
Chapter 4
must be less than or
PK
, and D (or T) values and
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